Mathematix

An interesting exercise from D. Kim, A rough guide to linear algebra

In this post we will look at the familiar trace operation in the context of tensors

Discussion of design and simulation results of NMPC controlled small-scale car

The PDF of (X, X) does not exist… in the ordinary sense

Making sense of PCA

Here we look at the universality-based definition of the tensor product

We are trying to make sense of tensors and the tensor product of vector spaces

Sufficient statistics

The Cramér-Rao Bound is a lower bound on the variance of an unbiased estimator. Here we focus on one-parameter models.

Introduction of the notion of Fisher information: a quantity of central importance in statistics.